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-rw-r--r--testsuite/tests/type-data/should_fail/TDBadConsConstraint.hs8
1 files changed, 8 insertions, 0 deletions
diff --git a/testsuite/tests/type-data/should_fail/TDBadConsConstraint.hs b/testsuite/tests/type-data/should_fail/TDBadConsConstraint.hs
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--- /dev/null
+++ b/testsuite/tests/type-data/should_fail/TDBadConsConstraint.hs
@@ -0,0 +1,8 @@
+{-# LANGUAGE TypeData #-}
+{-# LANGUAGE GADTs #-}
+module TDConsConstraints where
+
+import Data.Kind (Type)
+
+type data Foo :: Type -> Type where
+ MkFoo3 :: Show a => Foo a